//
//  String+Size.swift
//  SnapKitExtensionDemo
//
//  Created by echonn on 2018/5/21.
//  Copyright © 2018年 echonn. All rights reserved.
//

import UIKit

extension String {
    func size(withFont font: UIFont) -> CGSize {
        let attributes = [NSAttributedString.Key.font: font]
        return (self as NSString).size(withAttributes: attributes)
    }
    
    //验证身份证号
    func isTrueIDNumber() -> Bool{
        var value = self
        value = value.trimmingCharacters(in: CharacterSet.whitespacesAndNewlines)
        var length : Int = 0
        length = value.count
        if length != 15 && length != 18{
           //不满足15位和18位，即身份证错误
            return false
        }
        // 省份代码
        let areasArray = ["11","12", "13","14", "15","21", "22","23", "31","32", "33","34", "35","36", "37","41", "42","43", "44","45", "46","50", "51","52", "53","54", "61","62", "63","64", "65","71", "81","82", "91"]
        // 检测省份身份行政区代码
        let index = value.index(value.startIndex, offsetBy: 2)
        let valueStart2 = value.substring(to: index)
        //标识省份代码是否正确
        var areaFlag = false
        for areaCode in areasArray {
            if areaCode == valueStart2 {
                areaFlag = true
                break
            }
        }
        if !areaFlag {
           return false
        }
        var regularExpression : NSRegularExpression?
        var numberofMatch : Int?
        var year = 0
        switch length {
            case 15:
                 //获取年份对应的数字
                let valueNSStr = value as NSString
                let yearStr = valueNSStr.substring(with: NSRange.init(location: 6, length: 2)) as NSString
                year = yearStr.integerValue + 1900
                if year % 4 == 0 || (year % 100 == 0 && year % 4 == 0) {
                    //创建正则表达式 NSRegularExpressionCaseInsensitive：不区分字母大小写的模式
                    //测试出生日期的合法性
                    regularExpression = try! NSRegularExpression.init(pattern: "^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}$", options: NSRegularExpression.Options.caseInsensitive)
                }else{
                    //测试出生日期的合法性
                    regularExpression = try! NSRegularExpression.init(pattern: "^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}$", options: NSRegularExpression.Options.caseInsensitive)
                }
                numberofMatch = regularExpression?.numberOfMatches(in: value, options: NSRegularExpression.MatchingOptions.reportProgress, range: NSRange.init(location: 0, length: value.count))
                if numberofMatch! > 0 {
                    return true
                }else{
                    return false
                }
            case 18:
                let valueNSStr = value as NSString
                let yearStr = valueNSStr.substring(with: NSRange.init(location: 6, length: 4)) as NSString
                year = yearStr.integerValue
                if year % 4 == 0 || (year % 100 == 0 && year % 4 == 0) {
                    //测试出生日期的合法性
                    regularExpression = try! NSRegularExpression.init(pattern: "^((1[1-5])|(2[1-3])|(3[1-7])|(4[1-6])|(5[0-4])|(6[1-5])|71|(8[12])|91)\\d{4}(((19|20)\\d{2}(0[13-9]|1[012])(0[1-9]|[12]\\d|30))|((19|20)\\d{2}(0[13578]|1[02])31)|((19|20)\\d{2}02(0[1-9]|1\\d|2[0-8]))|((19|20)([13579][26]|[2468][048]|0[048])0229))\\d{3}(\\d|X|x)?$", options: NSRegularExpression.Options.caseInsensitive)
                    
                }else{
                    //测试出生日期的合法性
                    regularExpression = try! NSRegularExpression.init(pattern: "^((1[1-5])|(2[1-3])|(3[1-7])|(4[1-6])|(5[0-4])|(6[1-5])|71|(8[12])|91)\\d{4}(((19|20)\\d{2}(0[13-9]|1[012])(0[1-9]|[12]\\d|30))|((19|20)\\d{2}(0[13578]|1[02])31)|((19|20)\\d{2}02(0[1-9]|1\\d|2[0-8]))|((19|20)([13579][26]|[2468][048]|0[048])0229))\\d{3}(\\d|X|x)?$", options: NSRegularExpression.Options.caseInsensitive)
                    
                }
                numberofMatch = regularExpression?.numberOfMatches(in: value, options: NSRegularExpression.MatchingOptions.reportProgress, range: NSRange.init(location: 0, length: value.count))
                
                if numberofMatch! > 0 {
                    let a = getStringByRangeIntValue(Str: valueNSStr, location: 0, length: 1) * 7
                    let b = getStringByRangeIntValue(Str: valueNSStr, location: 10, length: 1) * 7
                    let c = getStringByRangeIntValue(Str: valueNSStr, location: 1, length: 1) * 9
                    let d = getStringByRangeIntValue(Str: valueNSStr, location: 11, length: 1) * 9
                    let e = getStringByRangeIntValue(Str: valueNSStr, location: 2, length: 1) * 10
                    let f = getStringByRangeIntValue(Str: valueNSStr, location: 12, length: 1) * 10
                    let g = getStringByRangeIntValue(Str: valueNSStr, location: 3, length: 1) * 5
                    let h = getStringByRangeIntValue(Str: valueNSStr, location: 13, length: 1) * 5
                    let i = getStringByRangeIntValue(Str: valueNSStr, location: 4, length: 1) * 8
                    let j = getStringByRangeIntValue(Str: valueNSStr, location: 14, length: 1) * 8
                    let k = getStringByRangeIntValue(Str: valueNSStr, location: 5, length: 1) * 4
                    let l = getStringByRangeIntValue(Str: valueNSStr, location: 15, length: 1) * 4
                    let m = getStringByRangeIntValue(Str: valueNSStr, location: 6, length: 1) * 2
                    let n = getStringByRangeIntValue(Str: valueNSStr, location: 16, length: 1) * 2
                    let o = getStringByRangeIntValue(Str: valueNSStr, location: 7, length: 1) * 1
                    let p = getStringByRangeIntValue(Str: valueNSStr, location: 8, length: 1) * 6
                    let q = getStringByRangeIntValue(Str: valueNSStr, location: 9, length: 1) * 3
                    let S = a + b + c + d + e + f + g + h + i + j + k + l + m + n + o + p + q
                    
                    let Y = S % 11
                    
                    var M = "F"
                    
                    let JYM = "10X98765432"
                    
                    M = (JYM as NSString).substring(with: NSRange.init(location: Y, length: 1))
                    
                    let lastStr = valueNSStr.substring(with: NSRange.init(location: 17, length: 1))
                    
                    if lastStr == "x" {
                        if M == "X" {
                            return true
                        }else{
                            return false
                        }
                    }else{
                        if M == lastStr {
                            return true
                        }else{
                            return false
                        }
                    }
                    
                }else{
                    return false
                }
            default:
                return false
          }
    }
    
    func getStringByRangeIntValue(Str : NSString,location : Int, length : Int) -> Int{
        
        let a = Str.substring(with: NSRange(location: location, length: length))
        
        let intValue = (a as NSString).integerValue
        
        return intValue
    }
}
